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Finding the Fourth Proportional to 63,005.01, 86,946.84 and 36,146.36

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Solution

The fourth proportional to 63,005.01, 86,946.84 and 36,146.36 is: 49,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,005.01 : 86,946.84 = 36,146.36 : x
  2. Step 2: Convert to fraction form
    63,005.01/86,946.84 = 36,146.36/x
  3. Step 3: Cross multiply
    63,005.01x = 86,946.84 × 36,146.36
  4. Step 4: Simplify right side
    63,005.01x = 3,142,811,344.77
  5. Step 5: Solve for x
    x = 3,142,811,344.77/63,005.01
  6. Step 6: Final answer
    x = 49,881.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.